Service difficulty report · Transmitter · Boeing 757204

Difficulty date
December 24, 2018
Submitted
December 26, 2018
Operation
Air carrier
Aircraft
N923FD
Make and model
Boeing 757204
Aircraft serial
26266
Aircraft time
65,110 hours, 24,907 cycles
Engine
Rroyce RB211535E4
Engine time
35,379 hours, 24,709 cycles
Part
Transmitter
Part number
7898301
Part serial
93050395
Condition
Failed
Location
Epr
Part time
5,749 hours, 3,903 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TWO HOURS INTO FLIYHT AT FL370 EPR ON BOTH ENGINES INDICATES 1.76 HOWEVER N1 LEFT 78.1% N1 RIGHT 96.3%. EGT LEFT 500C EGT R 637C.FUEL FLOW LEFT 2.6K FUEL FLOW R 4.8K.SUSPECT BAD EPR INPUT PROM LEFT ENGINE REMOVED AND REPLACED EPR TRANSMITTER